Work with your home wifi network. Control 1 output using manual button control or smart control via app, voice command or timers. Can work with lights, fans and electrical appliances up to 3500 watts. Comes with memory function that remember on / off state of the button. (Other Tuya brands don’t support this function). Work with Amazon Alexa, Google Assistant and Siri voice commands. Work on Android and iPhone iOS devices. Support multiple timers, automation and scenes. Mini size that can easily hide beside 3 x 3 fitting box.